ESI Phone Systems Powered by Grinnell Computers

Estech Systems, Inc, better known as ESI is a phone system manufacturer based in Plano, TX. Grinnell Computers has installed and maintained phone systems for hundreds of companies in Texas.

ESI is a great choice for limited budgets and small/mid-size businesses that want to scale quickly. ESI solutions are competitive with global brands, and offer a variety of features for the modern workplace and office.

2021 award

The Latest Business Phone Systems Technology!

Technology is ever-changing, and Grinnell Computer offers the latest technology in Business Phone Systems. When you need features like retrieving voicemails from either your PC, cell phone or any device you use, we can help. Multiple on-call employees can alternate using a rollover feature which helps your customers never have to deal with not getting an answer after hours.

Seamlessly Integrate Mobile with a Home Office!

Grinnell installs top of line Business Telephone Systems. Traditional telephone network and VoIP connections allow flexibility and cost control. Easy installation and easy set-up saves time, money, and headaches, as well as prevents service calls for configuration changes. Multi-branch VoIP networking cost-effectively connects multiple locations around the corner or around the world.

Why ESI + Grinnell Computers?

Grinnell Computers recommends ESI products in many telecommunication scenarios:

Migrating to VoIP phone service
– Replacing outdated phones with IP connected phones for better features
– Upgrading a phone system to lower costs and scale faster
– Relocation to a new office

Our goal is to transform technology and make it easy for our clients. ESI products are extremely easy to use, install and maintain. Working with an ESI authorized partner, allows for a lifetime warranty on ESI products on all cloud service contracts.

Shop local! For Texas businesses that want to work with a local company, choose Grinnell Computers and ESI. You’ll receive superior customer service, ongoing support and training.

Grinnell Computers

A Full-Service IT Company Priding itself on Excellent Customer Service, Knowledgeable Technicians, and Loyal Client-Partners.

Some Industries We Currently Help:

  • Medical Facilities
  • Industrial Warehouses
  • Fabrication Companies
  • Government Offices
Businesses Large and Small rely on us for all their IT needs! From emergency support to telephone systems to wireless networks, they call on us to keep their networks running smoothly.

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